Properties of the Number -280345

Two Hundred Eighty Thousand Three Hundred Forty-Five

Basics

Value: -280346 → -280345 → -280344

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 13 × 19 × 227

Divisors: 1, 5, 13, 19, 65, 95, 227, 247, 1135, 1235

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000100011100011001

Octal: -1043431

Duodecimal: -1162A1

Hexadecimal: -44719

Square: 78593319025

Square Root: 529.4761562148007

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Expansion of (∏_j>=1 (1-(-x)^j) - 1)¹³ in powers of x. A47638

G.f.: ∑_n>=0 (5 + xⁿ)ⁿ * xⁿ / (1-x)ⁿ⁺¹. A244618